Does the calculator use real P/T data?

Yes. It uses the same pressure-temperature data source as the FrigoTechPro app.

Can it calculate subcooling too?

Yes. The tool includes superheat and subcooling tabs for field diagnosis.

Free HVAC-R calculator

Calculate superheat and subcooling from the same P/T data used inside FrigoTechPro. Free refrigerants: R-410A, R-32 and R-454B.

50+ more refrigerants in the free account

BP / LP psig

Suction line °F

Save calculations and unlock all refrigerants.

Get 50+ refrigerants, offline mode, reports and customer files in the full app.

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